Ryo Okayasu

Kairi's older brother who works in the video game industry. He serves as a male counterpart to Sae, only he is much more dangerous. Ryo is in love with Misao, and dated her briefly, but Misao broke up with him because of his cold and manipulating attitude.
Sae met him and quickly fell for him because of their obvious similarities, though Ryo barely took the relationship seriously